Series HMI Connection Manual c. RS-485 (DOP-AS35/AS38 Series) DOP series HMI Controller 9 pin D-sub male (RS-485) RS-485 terminal R+ T+ (68) R- (69) T- Shell Shell d. RS-485 (DOP-B Series) DOP series HMI Controller 9 pin D-sub male (RS-485) D+ (1) (68) RS-485 terminal D- (6) (69) Shell Shell Definition of PLC Read/Write Address a. Registers b. Contacts 20 V1.00 Revision March, 2010 Format Type Word No.(n) Read/Write Range Data Length Note Index No.(i) Parameter Pn:i P0:0 – P999:31 Double Word 6, 7, 8 Control Word CTRWDn CTRWD0 Word 9, 11 Status Word STAWDn STAWD0 Word 10, 12 Format Type Word No.(n) Read/Write Range Note Index No.(i) Bits No.(b) Parameter Pn:i.b P0:0.0 – P999:31.31